Access kostenlos.net. Kostenlos.net - Kostenloses und kostenlose Proben

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

32/100

10%

LCP (Largest Contentful Paint)

Value3.6 s

61/100

25%

SI (Speed Index)

Value8.8 s

16/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.171

70/100

15%

TTI (Time to Interactive)

Value7.3 s

50/100

10%

kostenlos.net

1339 ms

style.min.css

98 ms

stylesheet.min.css

196 ms

responsive.min.css

283 ms

css

37 ms

Our browser made a total of 82 requests to load all elements on the main page. We found that 91% of them (75 requests) were addressed to the original Kostenlos.net, 7% (6 requests) were made to Fonts.gstatic.com and 1% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Kostenlos.net.

Content Size

959.3 kB

After Optimization

548.3 kB

In fact, the total size of Kostenlos.net main page is 959.3 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 50% of websites need less resources to load. Javascripts take 654.7 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 43.7 kB

Original 55.8 kB
After minification 55.7 kB
After compression 12.1 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 43.7 kB or 78% of the original size.

Image Optimization

-32%

Potential reduce by 63.1 kB

Original 194.6 kB
After minification 131.5 kB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Obviously, Kostenlos needs image optimization as it can save up to 63.1 kB or 32% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-46%

Potential reduce by 303.1 kB

Original 654.7 kB
After minification 654.1 kB
After compression 351.6 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 303.1 kB or 46% of the original size.

CSS Optimization

-2%

Potential reduce by 1.1 kB

Original 54.2 kB
After minification 54.2 kB
After compression 53.1 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Kostenlos.net has all CSS files already compressed.

Requests Now

After Optimization

The browser has sent 75 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kostenlos. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 64 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

High

[role]s are not contained by their required parent element

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

High

Links do not have a discernible name

These items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Low

Detected JavaScript libraries

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

High

robots.txt is not valid

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

High

Document uses legible font sizes

Language and Encoding

Language Detected

DE
Language Claimed

DE
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kostenlos.net can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and it matches the claimed language. Our system also found out that Kostenlos.net main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

kostenlos.net

Open Graph description is not detected on the main page of Kostenlos. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks:

Report Summary

Performance

Accessibility

Best Practices

SEO

Kostenlos.net - Kostenloses und kostenlose Proben - kostenlos, gratis, umsonst

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

kostenlos.net

style.min.css

stylesheet.min.css

responsive.min.css

css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

kostenlos.net

style.min.css

stylesheet.min.css

responsive.min.css

css

813sn.css

jquery.min.js

jquery-migrate.min.js

tooltipster.bundle.min.js

813sn.js

rbtools.min.js

rs6.min.js

core.min.js

mouse.min.js

draggable.min.js

droppable.min.js

resizable.min.js

selectable.min.js

sortable.min.js

accordion.min.js

menu.min.js

wp-polyfill-inert.min.js

regenerator-runtime.min.js

wp-polyfill.min.js

dom-ready.min.js

hooks.min.js

i18n.min.js

a11y.min.js

autocomplete.min.js

controlgroup.min.js

checkboxradio.min.js

button.min.js

datepicker.min.js

dialog.min.js

effect.min.js

effect-blind.min.js

effect-bounce.min.js

effect-clip.min.js

effect-drop.min.js

effect-explode.min.js

effect-fade.min.js

effect-fold.min.js

effect-highlight.min.js